High-resolution observations of the spatial and velocity distribution of cometary hydrogen

Details High-resolution observations of the spatial and velocity distribution of cometary hydrogen High-resolution observations of the spatial and velocity distribution of cometary hydrogen

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc...97b&link_type=abstract

In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 97-100 (SEE N93-19113 06-90)

Computer Science

Atmospheric Composition, Austin Comet, Cometary Atmospheres, Comets, Emission Spectra, H Alpha Line, High Resolution, Hydrogen, Hydrogen Production, Lyman Beta Radiation, Spatial Resolution, Velocity Distribution, Estimating, Low Speed, Molecular Spectra, Photodissociation, Water

Scientific paper

We have obtained high velocity and spatial resolution long-slit H alpha spectra of comets Austin (1989c1) and Levy (1990c). Spectra of both comets clearly show the existence of a low velocity thermalized component of hydrogen gas. The amount of slow hydrogen is estimated for comet Austin. The Levy spectrum shows an unusual high-velocity spatially-confined blob of hydrogen emission of unknown origin.

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